How does the terminal speed of a parachutist before opening a parachute compare to the terminal speed after? Why is there a difference?
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There are usually two terminal speeds, one before the parachute opens, which is faster, and one after, which is slower The difference has mainly to do with the different areas presented to the air in falling. The large area presented by the open chute results in a slower terminal speed, slow enough for a safe landing.
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